Wim Huiskamp / Mbed 2 deprecated mbed_nucleo_swo

Test for SWO viewer library.

Dependencies:   SWO mbed

See here for more information.

flip.cpp@3:3d2422feccb5, 2017-08-24 (annotated)

Committer:
wim
Date:
Thu Aug 24 18:16:36 2017 +0000
Revision:
3:3d2422feccb5
Added stream claim demo for stdout, proposed by Pavel Sorejs. Added example of SWO in a function other than main.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wim 3:3d2422feccb5 1 /* mbed SWO Library
wim 3:3d2422feccb5 2 * Copyright (c) 2017, v01: WH. External declared swo
wim 3:3d2422feccb5 3 *
wim 3:3d2422feccb5 4 * Simple implementation for tracing via Serial Wire Output(SWO) for Cortex-M processors.
wim 3:3d2422feccb5 5 * It can be used with Host PC software such as ST-LINK Utility or Segger J-Link SWO viewer.
wim 3:3d2422feccb5 6 * This sample implementation ensures that output via SWO is enabled in order to guarantee
wim 3:3d2422feccb5 7 * that the application does not hang.
wim 3:3d2422feccb5 8 *
wim 3:3d2422feccb5 9 * Permission is hereby granted, free of charge, to any person obtaining a copy
wim 3:3d2422feccb5 10 * of this software and associated documentation files (the "Software"), to deal
wim 3:3d2422feccb5 11 * in the Software without restriction, including without limitation the rights
wim 3:3d2422feccb5 12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
wim 3:3d2422feccb5 13 * copies of the Software, and to permit persons to whom the Software is
wim 3:3d2422feccb5 14 * furnished to do so, subject to the following conditions:
wim 3:3d2422feccb5 15 *
wim 3:3d2422feccb5 16 * The above copyright notice and this permission notice shall be included in
wim 3:3d2422feccb5 17 * all copies or substantial portions of the Software.
wim 3:3d2422feccb5 18 *
wim 3:3d2422feccb5 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
wim 3:3d2422feccb5 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
wim 3:3d2422feccb5 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
wim 3:3d2422feccb5 22 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
wim 3:3d2422feccb5 23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
wim 3:3d2422feccb5 24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
wim 3:3d2422feccb5 25 * THE SOFTWARE.
wim 3:3d2422feccb5 26 */
wim 3:3d2422feccb5 27
wim 3:3d2422feccb5 28 #include "mbed.h"
wim 3:3d2422feccb5 29 #include "flip.h"
wim 3:3d2422feccb5 30 #include "SWO.h"
wim 3:3d2422feccb5 31
wim 3:3d2422feccb5 32 extern SWO_Channel swo;
wim 3:3d2422feccb5 33
wim 3:3d2422feccb5 34 /**
wim 3:3d2422feccb5 35 * flip()
wim 3:3d2422feccb5 36 *
wim 3:3d2422feccb5 37 * @brief invert value and print a string via SWO.
wim 3:3d2422feccb5 38 * @param int value The value to be printed.
wim 3:3d2422feccb5 39 */
wim 3:3d2422feccb5 40 int flip(int value) {
wim 3:3d2422feccb5 41 swo.printf(" value=%d\n\r", value);
wim 3:3d2422feccb5 42 return -value;
wim 3:3d2422feccb5 43 }